Best Feature Flag Software in 2026
Updated
In short: Flagsmith is ranked #1 of 25 as of 4 October 2026, ahead of ConfigCat and feat. The best-ranked option with a free plan is ConfigCat. The lowest first paid tier on this page is Tggl at €18/mo.
Feature flag software helps development teams control which features are available to users and groups. Compare percentage rollouts, targeting rules and user segments to see how each option supports staged releases and access decisions. Environments and SDK languages can help you assess fit with your development setup, while approval workflows and audit logs offer details on oversight and change history. Free-plan availability and “Paid from” pricing add cost context. Flagsmith, ConfigCat and feat are among the entries to consider, along with Featureflow. Weigh the release controls and integrations against the way your team manages software changes.
25 feature flag software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
15 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | FlagsmithWeb · Windows · Mac · Linux · Android · iPhone · Self-hosted · API | Three bars | — | 6 of 6 | $40/mo | 6.8 | |
| 2 | ConfigCatWeb · Mac · Android · iPhone · Self-hosted · API · Extension | Three bars | — | 4 of 6 | $110/mo | 6.6 | |
| 3 | featWeb · Android · iPhone · API | Three bars | — | 3 of 6 | $19/mo | 6.6 | |
| 4 | FeatureflowWeb · Android · iPhone · API | Three bars | — | 3 of 6 | $99/mo | 6.6 | |
| 5 | FliptWeb · Windows · Mac · Linux · Self-hosted · API | Three bars | — | 4 of 6 | $200/mo | 6.6 | |
| 6 | BucketeerWeb · Android · iPhone · Self-hosted · API | Three bars | — | 3 of 6 | Free | 6.5 | |
| 7 | DevCycleWeb · Android · iPhone · API · Extension | Three bars | — | 3 of 6 | $500/mo | 6.5 | |
| 8 | GrowthBookWeb · Android · iPhone · Self-hosted · API | Three bars | — | 3 of 6 | $40/mo | 6.5 | |
| 9 | LaunchDarkly ExperimentationWeb · Android · iPhone · API | Three bars | — | 3 of 6 | $108.33/mo | 6.5 | |
| 10 | RollgateWeb · Android · iPhone · API | Three bars | — | 3 of 6 | €45/mo | 6.5 | |
| 11 | StatsigWeb · Android · iPhone · API | Three bars | — | 3 of 6 | $150/mo | 6.5 | |
| 12 | FeatBitWeb · Self-hosted · API | Two bars | — | 1 of 6 | $333.25/mo | 6.4 | |
| 13 | FeatureflipWeb · Android · iPhone | Two bars | — | 3 of 6 | $49/mo | 6.4 | |
| 14 | VercelWeb · API | Two bars | — | 1 of 6 | $20/mo | 6.4 | |
| 15 | CloudBees CIWeb · Windows · Linux · Self-hosted | Two bars | — | — | 3 of 6 | — | 5.6 |
| 16 | Optimizely Feature ManagementWeb · Android · iPhone | Two bars | — | — | 3 of 6 | — | 5.4 |
| 17 | FeaturevisorWeb · Windows · Mac · Linux · Android · iPhone · Self-hosted · API | Two bars | — | 6 of 6 | Free | 5.3 | |
| 18 | TgglWeb · Android · iPhone · Self-hosted · API | Two bars | — | — | 3 of 6 | €18/mo | 5.2 |
| 19 | TogglelyWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 20 | TrustyGorillaWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 21 | ZenmanageWeb | One bar | — | — | 1 of 6 | — | 5.2 |
| 22 | FeatureProbeWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 23 | GO Feature FlagNo platforms listed | No signal | — | — | 0 of 6 | — | 5.1 |
| 24 | Optimizely Configured CommerceWeb · API | One bar | — | — | 1 of 6 | — | 5.1 |
| 25 | FeatureHubWeb · Android · iPhone | One bar | — | — | 3 of 6 | — | 4.9 |
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which feature flag software is ranked first on Freedom251?
Flagsmith is ranked #1 of 25 with a score of 6.8. ConfigCat is second and feat third.
How many of these have a free plan?
15 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Tggl has the lowest first paid tier we found: €18/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.